package com.cotx.userconsumer02.service.impl;

import com.cotx.userinterface.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

import java.util.Map;


@Service
public class UserServiceImpl implements UserService {

    //远程服务调用客户端
    @Autowired
    private RestTemplate restTemplate;
//    //支持负载均衡的调用客户端
//   @Autowired
//   private LoadBalancerClient loadBalancerClient;


   /**
    * 通过客户端负载均衡获取生产者的地址
    *
    */
   public String getServerUrl(){
//       //通过客户端调用服务均衡器查找服务
//       ServiceInstance serviceInstance = loadBalancerClient.choose("USERPROVIDER");
//       //获取服务提供者服务器ip、端口号
//       int port = serviceInstance.getPort();
//       String ip = serviceInstance.getHost();
//       //拼接调用地址
//       String url="http://"+ip+":"+port;
//
//       System.out.println(url);
//
//       return url;

       return "http://USERPROVIDER";

   }


    @Override
    public Map<String, Object> findAll() {
        String url=getServerUrl();
        Map<String,Object> map = restTemplate.getForObject(url + "/", Map.class);
        return map;
    }
}
